how a bay area city best known for its technology is constructing its own little italy neighborhood. >>> have you ever hustled to catch a b.a.r.t train and got to the platform to realize it's not your train. how riders will know if they real my need to rush even before they enter the station. >>> the sun is now setting on another chilly bay area day. danville 64. santa rosa, one of the warm spots at 65. how cold do we get tonight? that and the 7 day forecast, coming up. >>> how much is too much time spent staring at your smart phone? the new health guidelines regarding kids and social media. ,,,,,,,,,,,,,,, was home to it >>> lost piece of bay area history is being brought back to life. it's the rebirth of a san jose neighborhood. years ago it was home to italian immigrants. kpix 5's len ramirez is live. the story of one of those immigrants and the quest to resurrect little italy. who knew, len? >> reporter: who knew that a pge would have been born couple block away from what is now this little italy neighborhood. many cities have little italy neighborhoods. many of them never lost t